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This volume presents a representative sample of contributions to the 41st European Marine Biology Symposium held in September 2005 in Cork, Ireland. The theme of the symposium was ‘Challenges to Marine Ecosystems’ and this was divided into four sub themes; Genetics, Marine Protected Areas, Global Climate Change and Marine Ecosystems, Sustainable Fisheries and Agriculture. The world’s marine ecosystems face multiple challenges, some natural, but many resulting from humankind’s activities. Global climate change, driven by influences of energy usage and industrial practices, is a reality now accepted by most of the world’s scientists, media and political establishments. Warming seas and rising sea levels are regarded as threats, while visionaries consider deep ocean carbon disposal as a technological opportunity. Exploitation of the seas continues apace, with repeated concerns over the impact of over-fishing, plus reservations about the environmental effects of marine aquaculture. We need to understand how resilient organisms and ecosystems are to these challenges, while responding by protecting biologically-meaningful areas of the oceans. The subthemes of the 41st European Marine Biology Symposium address all of these matters.

Life Sciences. --- Freshwater & Marine Ecology. --- Fish & Wildlife Biology & Management. --- Marine & Freshwater Sciences. --- Life sciences. --- Aquatic biology. --- Wildlife management. --- Marine Sciences. --- Sciences de la vie --- Hydrobiologie --- Faune --- Aménagement --- Climatic changes -- Congresses. --- Marine biology -- Congresses. --- Marine ecosystem management -- Congresses. --- Marine resources conservation -- Congresses. --- Sustainable fisheries -- Congresses. --- Earth & Environmental Sciences --- Ecology --- Climatic changes --- Marine biology --- Marine ecosystem management --- Marine resources conservation --- Sustainable fisheries --- Fisheries productivity, Maintenance of long-term --- Fishery yields, Sustainable --- Long-term fisheries productivity, Maintenance of --- Maintenance of long-term fisheries productivity --- Sustainable fishery yields --- Conservation of marine resources --- Marine conservation --- Marine environmental protection --- Marine protection --- Marine ecosystems management --- Aquatic ecology. --- Wildlife. --- Fish. --- Marine sciences. --- Freshwater. --- Fisheries --- Sustainable aquaculture --- Overfishing --- Aquatic resources conservation --- Marine pollution --- Ecosystem management --- Ocean sciences --- Aquatic sciences --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Wildlife conservation --- Hydrobiology --- Water biology --- Biology --- Management --- Aquatic ecology . --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fishing --- Ichthyology --- Aquatic biology

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Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns in lakes guarantee both productivity and biodiversity, while untimely floods and droughts may have negative effects. Human impacts on WLF have led to a stabilization of the water levels of many lakes by hydraulic regulation, untimely drawdown due to water use, or floods due to water release from hydropower plants in the catchments. This book provides a first review in this field. It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.

Life Sciences. --- Freshwater & Marine Ecology. --- Ecosystems. --- Fish & Wildlife Biology & Management. --- Life sciences. --- Endangered ecosystems. --- Aquatic biology. --- Wildlife management. --- Sciences de la vie --- Ecosystèmes menacés --- Hydrobiologie --- Faune --- Aménagement --- Biotic communities -- Effect of water levels on -- Congresses. --- Lake ecology -- Congresses. --- Lake hydrology -- Congresses. --- Water levels -- Congresses. --- Water levels. --- Earth & Environmental Sciences --- Ecology --- Hydrobiology --- Water biology --- Level, Water --- Levels, Water --- Water --- Water level --- Level --- Levels --- Environment. --- Aquatic ecology. --- Wildlife. --- Fish. --- Environmental management. --- Environmental Management. --- Aquatic sciences --- Biology --- Hydraulic measurements --- Threatened ecosystems --- Biotic communities --- Nature conservation --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Wildlife conservation --- Aquatic ecology . --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fisheries --- Fishing --- Ichthyology --- Aquatic biology --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Population biology

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As one of the world’s leading field biologists, George Schaller has spent much of his life traversing wild and isolated places in his quest to understand and conserve threatened species—from mountain gorillas in the Virunga to pandas in the Wolong and snow leopards in the Himalaya. Throughout his celebrated career, Schaller has spent more time in Tibet than in any other part of the world, devoting more than thirty years to the wildlife, culture, and landscapes that captured his heart and continue to compel him to protect them. Tibet Wild is Schaller’s account of three decades of exploration in the most remote stretches of Tibet: the wide, sweeping rangelands of the Chang Tang and the hidden canyons and plunging ravines of the southeastern forests. As engaging as he is enlightening, Schaller illustrates the daily struggles of a field biologist trying to traverse the impenetrable Chang Tang, discover the calving grounds of the chiru or Tibetan antelope, and understand the movements of the enigmatic snow leopard. As changes in the region accelerated over the years, with more roads, homes, and grazing livestock, Schaller watched the clash between wildlife and people become more common—and more destructive. Thus what began as a purely scientific endeavor became a mission: to work with local communities, regional leaders, and national governments to protect the unique ecological richness and culture of the Tibetan Plateau. Whether tracking brown bears, penning fables about the tiny pika, or promoting a conservation preserve that spans the borders of four nations, Schaller has pursued his goal with a persistence and good humor that will inform and charm readers.  Tibet Wild is an intimate journey through the changing wilderness of Tibet, guided by the careful gaze and unwavering passion of a life-long naturalist.

Nature conservation. --- Biodiversity. --- Wildlife. --- Fish. --- Climate change. --- Nature Conservation. --- Fish & Wildlife Biology & Management. --- Climate Change/Climate Change Impacts. --- Biological diversification --- Biological diversity --- Biotic diversity --- Diversification, Biological --- Diversity, Biological --- Biology --- Biocomplexity --- Ecological heterogeneity --- Numbers of species --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fisheries --- Fishing --- Ichthyology --- Conservation of nature --- Nature --- Nature protection --- Protection of nature --- Conservation of natural resources --- Applied ecology --- Conservation biology --- Endangered ecosystems --- Natural areas --- Environmental aspects --- Conservation --- Tibet Autonomous Region (China) --- Description and travel. --- Environmental conditions. --- Tibetan Autonomous Region (China) --- Hsi-tsang tzu chih chʻü (China) --- Xizang Zizhiqu (China) --- 西藏自治区 (China) --- Hsi-tsang tzu chih chʻü jen min cheng fu (China) --- Xizang Zizhiqu ren min zheng fu (China) --- TAR (China) --- Xizang Autonomous Region (China) --- Bod Raṅ-skyoṅ-ljoṅs (China) --- Bod (China) --- Sitsang (China) --- Tibet (China) --- Тибет (China) --- Thibet (China) --- Tibet-Chamdo (China) --- Tübüt (China) --- Tu̇vd (China) --- Tȯvȯd (China) --- Xizang (China) --- 西藏 (China) --- Tibet --- Global environmental change